MRA403-RO NKK Switches, MRA403-RO Datasheet - Page 6

• Manufacturer Part Number: MRA403-RO
• Description: Rotary Switches 4P 3 POSITION SHAFT ACTUATOR PC NO KNOB
• Manufacturer: NKK Switches
• Type: Half-Inch Process Sealed Rotariesr

Specifications of MRA403-RO

• Number Of Positions: 2 to 3
• Number Of Poles Per Deck: 4
• Number Of Decks: 1
• Index Angle: 30 deg
• Contact Style: Non Shorting
• Contact Form: DP
• Mounting Type: Panel
• Contact Material: Brass
• Contact Plating: Silver
• Dielectric Strength: 1000 VoltsAC
• Voltage Rating: 125 VoltsAC
• Current Rating: 250 mAmps
• Actuator: Shaft Actuated
• Contact Rating: 250 mAmps at 125 VoltsAC
• Current Rating (max): 250 mAmps
• Termination Style: PC Terminals
• Voltage Rating Ac: 125 Volts
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 633-MRA403 MRA403

Half-Inch Diameter Process Sealed Rotaries
Material:
Polyacetal
Color:
Black
only
Color Codes:
AT513M
Metric Hexagon Nut
Material:
Brass, nickel plating
1 for MRA; 1 for MRK
AT543
Support Bracket for MRK
Material:
Steel with tin plating
Without
Keyway
A
.354
(9.0)
AT433
Plain Black
(6.35) Dia
.250
.020
(0.5)
(2.2) Dia
.087
M6 P0.75
(13.0)
.512
.059
(8.0)
.315
(1.5)
A
Nonsealed Panel
(19.0) Dia
(11.0) Dia
.433
.748
PANEL CUTOUTS & MAXIMUM EFFECTIVE PANEL THICKNESS
MRA & MRK
.256
(6.5)
Black
(3.8) Typ
.150
AT545
Locking Ring
Material:
Steel, chromate over zinc plating
1 for MRA; 1 for MRK
With
Keyway
(9.5)
.374
(18.0)
.709
(14.0)
.551
.067
.079
(1.7)
(2.0)
B
(6.35) Dia
.250
STANDARD MOUNTING HARDWARE
Base Material:
Polyester
Base Color:
Black
Polyamide Tip
Colors:
A, B, C, E, F, G, H
White
B
OPTIONAL SUPPORT BRACKET
(18.0)
(5.5)
.217
.709
(14.9)
AT4103 Small
Color Tipped
.587
(0.8) Typ
.031
(0.5) Typ
.020
(12.0)
.472
.024
(0.6)
.236
(6.0)
(0.8)
.031
(11.6)
.457
.220
(5.6)
C
Red
.020
KNOBS
(0.5)
(14.3)
.563
Sealed Panel
www.nkk.com
(5.4)
.213
(17.2)
.677
MRK
AT509
Lockwasher
Material:
Steel, chromate over zinc plating
1 for MRA; 1 for MRK
E
(16.0) Dia
.630
.244
(9.5) Dia
.374
(6.2) Dia
Yellow
.047
(1.2) Dia Typ
(17.5)
.689
.374
(9.5)
(6.4) Dia
.252
With Standard Hardware on Nonsealed Panel:
MRA .067” (1.7mm) MRK .087” (2.2mm)
Without Locking Ring on Nonsealed Panel:
MRA .098” (2.5mm) MRK .118” (3.0mm)
With AT513M & AT535 only on Sealed Panel:
MRK .106” (2.7mm)
F
.020
(0.5)
Base Material:
Polyester
Base Color:
Black
Polyamide Tip
Colors:
A, B, C, E, F, G, H
(10.2) Dia
.402
C
Green
AT4104 Large
Color Tipped
G
Series MR
AT535
Rubber Ring
Material:
Nitrile butadiene rubber
1 for MRK
.020
(0.5)
Blue
A support bracket
is needed when
the MRK is mounted
only to a PC board
and does not have
the bushing through
a panel.
(15.8)
.622
(18.0) Dia
.709
(6.2) Dia
.244
(11.0) Dia
.433
(9.4) Dia
.370
H
.051
(1.3)
Gray
G21
.374
(9.5)
G